Examples of javax.swing.event.TreeExpansionEvent

javax.swing.event.TreeExpansionEvent
oracle.com/javase/tutorial/uiswing/events/treeexpansionlistener.html">How to Write a Tree Expansion Listener and How to Write a Tree-Will-Expand Listener.
Warning: Serialized objects of this class will not be compatible with future Swing releases. The current serialization support is appropriate for short term storage or RMI between applications running the same version of Swing. As of 1.4, support for long term storage of all JavaBeans™ has been added to the java.beans package. Please see {@link java.beans.XMLEncoder}. @author Scott Violet

                    DefaultTreeModel treeModel = (DefaultTreeModel) activeTree.getModel();
                    TreePath path = new TreePath(treeModel.getPathToRoot(initiallySelectedNode));


                    if (path!=null) {
                        View initiallySelectedManifestation = directoryArea.getSelectedManifestations().iterator().next();  
                        initiallySelectedManifestation.getViewListener().actionPerformed(new TreeExpansionEvent(activeTree, path));
                    }


                }
                
                // Find the child that corresponds to our new component.

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        setupDirectoryTree(directory, false);
        this.add(new DirectoryTitleArea(bundle.getString("DIRECTORY"), null), BorderLayout.NORTH);
        rootNode.removeAllChildren();
        View topManifestation = (View)rootNode.getUserObject();
        if (topManifestation.getViewListener() != null) {
            TreeExpansionEvent event = new TreeExpansionEvent(rootNode.getParentTree(), null);
            topManifestation.getViewListener().actionPerformed(event);
        }
       
        // setup handlers (previously in Bookmark)
        AbstractComponent parentComponent = ((View) rootNode.getUserObject()).getManifestedComponent();

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    {
        boolean wasExpanded = treeCellUI.isExpanded();
        if (wasExpanded == expand)
            return; // No cambia el estado


        TreeExpansionEvent event = null;
        TreePath treePath = treeCellUI.getTreePath();
        if (hasTreeWillExpandListeners())
        {
            event = new TreeExpansionEvent(this, treePath);
            TreeWillExpandListener[] listeners = getTreeWillExpandListeners();
            try
            {
                for (int i = 0; i < listeners.length; i++)
                {
                    if (expand)
                        listeners[i].treeWillExpand(event);
                    else
                        listeners[i].treeWillCollapse(event);
                }
            }
            catch (ExpandVetoException ex)
            {
                // Cancelada la expansi�n/cancelaci�n
                return;
            }
        }


        treeCellUI.expand(expand);


        // Ha cambiado el estado, notificamos
        if (hasTreeExpansionListeners())
        {
            if (event == null) // Como es un objeto de s�lo lectura si ya se cre� antes lo reutilizamos
                event = new TreeExpansionEvent(this, treePath);


            TreeExpansionListener[] listeners = getTreeExpansionListeners();
            for (int i = 0; i < listeners.length; i++)
            {
                if (expand)

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      DefaultMutableTreeNode node = (DefaultMutableTreeNode)path.getLastPathComponent();
      final AdminNode info = (AdminNode)node.getUserObject();


      ActionListener listener = new ActionListener() {
         public void actionPerformed(ActionEvent ae) {
            TreeExpansionEvent ex = new TreeExpansionEvent(this, path);
            browser_treeCollapsed(ex);
            browser_treeExpanded(ex);
         }
      };

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gov.nasa.arc.mct.gui.menu.NewObjectAction$NewTypeAction

org.itsnat.impl.comp.tree.ItsNatTreeImpl

org.jdesktop.swingx.event.TreeExpansionBroadcaster

javax.swing.tree.ExpandVetoExceptionTest

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